mirror of
https://github.com/token2/snapd.git
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97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2020 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package systemd_test
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import (
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"errors"
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. "gopkg.in/check.v1"
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"github.com/snapcore/snapd/systemd"
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"github.com/snapcore/snapd/testutil"
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)
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type sysctlSuite struct {
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testutil.BaseTest
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}
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var _ = Suite(&sysctlSuite{})
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func (s *sysctlSuite) TestSysctl(c *C) {
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defer systemd.MockSystemdSysctlPath("systemd-sysctl")()
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systemdSysctl := testutil.MockCommand(c, "systemd-sysctl", "")
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defer systemdSysctl.Restore()
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err := systemd.Sysctl(nil)
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c.Assert(err, IsNil)
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err = systemd.Sysctl([]string{"kernel.printk", "net"})
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c.Assert(err, IsNil)
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c.Check(systemdSysctl.Calls(), DeepEquals, [][]string{
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{"systemd-sysctl"},
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{"systemd-sysctl", "--prefix", "kernel.printk", "--prefix", "net"},
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})
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}
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func (s *sysctlSuite) TestSysctlError(c *C) {
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defer systemd.MockSystemdSysctlPath("systemd-sysctl")()
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systemdSysctl := testutil.MockCommand(c, "systemd-sysctl", `
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echo foo >&2
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exit 1
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`)
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defer systemdSysctl.Restore()
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err := systemd.Sysctl(nil)
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c.Assert(err, ErrorMatches, `(?m)systemd-sysctl invoked with \[\] failed with exit status 1: foo`)
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err = systemd.Sysctl([]string{"net"})
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c.Assert(err, ErrorMatches, `(?m)systemd-sysctl invoked with \[--prefix net\] failed with exit status 1: foo`)
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}
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func (s *sysctlSuite) TestSysctlFailedExec(c *C) {
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defer systemd.MockSystemdSysctlPath("/i/bet/this/does/not/exist/systemd-sysctl")()
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err := systemd.Sysctl(nil)
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c.Assert(err, ErrorMatches, `fork/exec /i/bet/this/does/not/exist/systemd-sysctl: no such file or directory`)
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}
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func (s *sysctlSuite) TestMockSystemdSysctl(c *C) {
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var capturedArgs []string
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var sysctlErr error
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r := systemd.MockSystemdSysctl(func(args ...string) error {
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capturedArgs = args
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return sysctlErr
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})
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defer r()
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err := systemd.Sysctl([]string{"kernel.printk", "net"})
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c.Assert(err, IsNil)
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c.Check(capturedArgs, DeepEquals, []string{"--prefix", "kernel.printk", "--prefix", "net"})
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sysctlErr = errors.New("boom")
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err = systemd.Sysctl(nil)
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c.Check(err, Equals, sysctlErr)
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c.Check(capturedArgs, HasLen, 0)
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}
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